package main

import (
	"fmt"
	"strings"
)

func main() {
	s := "prefixasdv"
	x1 := strings.HasPrefix(s, "prefix") //
	x2 := strings.HasSuffix(s, "prefix")
	x3 := strings.Contains(s, "prefix")
	fmt.Println(x1, x2, x3)
}
